单项选择题
A．only logical and natural B．the expected position C．probably a mistake D．merely effective instruction
A．At first B．First C．One D．At the beginning
A. Ifs impossible. B. I suggest we go to the seaside. C. I’d like to tell you something. D. How about going to the art exhibition E. I hope not. F. We’d better think of something else. G. I’m afraid. H. I’m very sorry to hear that.